Jacomijn (Jackie) van Haersolte-van Hof is an independent arbitrator and professor of law at Leiden University. From 2014-2024 she was the Director General of the London Court of Arbitration.

She has continued to sit as arbitrator in commercial and investment arbitrations. Recent experience includes sitting as president in two ICSID annulment proceedings and as co-arbitrator in an international NAI arbitration in a post M&A dispute.

As a Dutch lawyer, Jackie has extensive experience in other civil as well as common law legal systems. She has been involved in many cases involving States and state-owned entities and cases involving sales and general contract law, post-Merger & Acquisition disputes; energy law (including gas price review disputes); private international law; international law (investment law; immunity law); transport and commodities, shipbuilding, including off-shore; insurance. (Prof. Dr Jacomijn J. van Haersolte-van Hof - Barrister - Fountain Court Chambers).